<h3 id="classes-223-224">Changes in classes</h3>
<table><tbody>
<tr>
    <th>What Changed</th>
    <th>How Changed</th>
</tr>
    <tr>
        <td>Magento\Framework\Amqp\Config::__construct</td>
        <td>[public] Added optional parameter(s).</td>
    </tr>
    <tr>
        <td>Magento\CatalogEvent\Model\Event::CACHE_EVENT_CATEGORY_TAG</td>
        <td>Constant has been added.</td>
    </tr>
</tbody></table>
